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How can I repeat a character in Bash?
...epeat 1000000 1000
#!/usr/bin/env bash
title() { printf '%s:\t' "$1"; }
TIMEFORMAT=$'%6Rs'
# The number of repetitions of the input chars. to produce
COUNT_REPETITIONS=${1?Arguments: <charRepeatCount> [<testRunCount>]}
# The number of test runs to perform to derive the average timin...
Appending the same string to a list of strings in Python
... s+mystring
i = i + 1
Experiment
import random
import string
import time
mystring = '/test/'
l = []
ref_list = []
for i in xrange( 10**6 ):
ref_list.append( ''.join(random.choice(string.ascii_lowercase) for i in range(10)) )
for numOfElements in [5, 10, 15 ]:
l = ref_list*numOfEl...
Bash tool to get nth line from a file
...
For those wondering, this solution seems about 6 to 9 times faster than the sed -n 'NUMp' and sed 'NUM!d' solutions proposed below.
– Skippy le Grand Gourou
Feb 18 '14 at 16:48
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What do 'real', 'user' and 'sys' mean in the output of time(1)?
What do 'real', 'user' and 'sys' mean in the output of time?
6 Answers
6
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Associative arrays in Shell scripts
...t a "bad array subscript" error but don't how to validate the input at the time of array lookup, if that's possible?
– Jer
Feb 5 '14 at 19:02
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How can I generate Unix timestamps?
Related question is "Datetime To Unix timestamp", but this question is more general.
18 Answers
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Convert seconds to Hour:Minute:Second
... I'm not sure this is the right answer, this will produce a datetime ... so if we expect result > 24 hours it will not work. Also if we need some negative result ( for example working with offset ) it will not work. -1 for the lark of details
– WonderLand
...
Best way to reverse a string
...issues). Good that you came up with a solution. Maybe Jon skeet invented a time machine, went back to 2009 and posted the problem example that you used in your solution.
– barlop
Jul 10 '16 at 11:55
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Converting Epoch time into the datetime
I am getting a response from the rest is an Epoch time format like
8 Answers
8
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How can I parse a time string containing milliseconds in it with python?
I am able to parse strings containing date/time with time.strptime
7 Answers
7
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